erovnuli-samecniero-biblioteka Search for 'au:"Stone, Ralph W."'

Mineral resources of the Elders ridge quadrangle, Pennsylvania /

By Stone, Ralph W..
Washington, Govt. Print. Off., 1905 .
86, v p. : , Subject series: A, Economic geology, 51; B, Descriptive geology, 63. | Includes index. 24 cm..

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Mineral resources of Kenai Peninsula, Alaska. Gold fields of the Turnagain Arm region,

By Moffit, Fred H..
Washington, Govt. print. off., 1906 .
80, x p. , Subject series: A, Economic geology, 65; B, Descriptive geology, 80. | Abstracts of these papers have been published in U.S. Geological survey Bulletin no. 259, 1905, under the titles: Gold placers of Turnagain Arm and Coal resources of southwestern Alaska. | Map in pocket. | Issued also as House doc. no. 825, 59th Cong., 1st sess. 23 cm..

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Coal resources of the Russell Fork basin in Kentucky and Virginia /

By Stone, Ralph W..
Washington, Govt. Print. Off., 1908 .
127 p. : , Includes index. 24 cm..

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Coal near the Black hills, Wyoming--South Dakota.

By Stone, Ralph W..
Govt. Print. Off., 1912 .
66 p.

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Useful minerals of the United States /

By Sanford, Samuel,.
Washington, Govt. Print. Off., 1914 .
250 p. ; 24 cm..

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Useful minerals of the United States,

By Schrader, Frank Charles,.
Washington, Govt. print. off., 1917 .
412 p. , At head of title: Department of the interior. 23 cm..

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Gypsum deposits of the United States,

By Stone, Ralph W..
Washington, Govt. print. off., 1920 .
326 p. 23 cm..

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Pennsylvania caves,

By Stone, Ralph W..
Harrisburg, Department of internal affairs, Topographic and geologic survey, 1930 .
63 p. incl. illus., maps. 23 cm..

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Building stones of Pennsylvania /

By Stone, Ralph W..
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1932 .
vii, 316 p. : , At head of title: Pennsylvania Geological Survey, Fourth series. 23 cm..

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The minerals of Pennsylvania: Non-metallic minerals,

By Stone, Ralph W..
Harrisburg, Pa., Department of Internal Affairs, Topographic and Geologic Survey, 1939 .
50 p. incl. illus. (map) tables. , At head of title: Pennsylvania Geological survey, Fourth series | With Ashley, G. H. The undeveloped mineral resources of Pennsylvania. 1933. (Bulletin M18-A) 23 cm..

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